重庆大学学报2025，Vol.48Issue(5)：1-14,14.DOI:10.11835/j.issn.1000-582X.2024.203
中心距变化斜齿圆柱齿轮啮合特性分析及齿面优化修形
Meshing characteristics analysis of helical cylindrical gears with variable center distance and tooth surface modification
摘要
Abstract
To address the poor meshing performance of helical cylindrical gears under variable center distances in high-speed rolling mills,this study establishes a finite element meshing model in Abaqus,considering gear meshing misalignment.Under typical operating conditions,simulation analyses of gear tooth contact are carried out to study the influence of center distance variation on key meshing performance parameters.Based on these results,comprehensive tooth surface modifications are proposed,including linear and crowning reliefs along the tooth lead direction and tip reliefs along the profile direction.A comparative analysis of gear meshing performance before and after modification is then performed.The results show that,prior to modification,the tooth surface exhibits significant load bias.Increases in center distance lead to a considerable decrease in contact ratio and contact area percentage,along with notable increases in maximum contact stress,maximum root bending stress,and the peak-to-peak transmission error-resulting in a substantial decline in overall meshing performance.Following surface optimization,load bias is significantly reduced,and improvements are observed across all key indicators,including reductions in maximum contact stress,bending stress and transmission error.The optimized gear surface exhibit enhanced adaptability to center distance variations,leading to a marked improvement in meshing performance.关键词
高速轧机/中心距变化/啮合特性分析/接触印痕/优化修形Key words
high-speed rolling mill/variable center distance/meshing characteristics/contact pattern/tooth surface optimization分类
机械工程引用本文复制引用
王耀禄,陈莹卷,宋朝省,朱加赞,王中荣..中心距变化斜齿圆柱齿轮啮合特性分析及齿面优化修形[J].重庆大学学报,2025,48(5):1-14,14.基金项目
重庆市杰出青年科学基金项目(CSTB2022NSCQ-JQX0026) （CSTB2022NSCQ-JQX0026）
装备预研中国航发应用创新项目(630010107).Supported by the Chongqing Science Foundation for Distinguished Young Scholars(CSTB2022NSCQ-JQX0026),and Equipment Pre-Research China Air Development Application Innovation Program(630010107). （630010107）
